antibiotics

An employee of the drug company Apotex, examines some Ciprofloxacin at the plant in Canada. Cipro is commonly given to travelers for diarrhea. More than 20 million Cipro doses are prescribed each year in the U.S.
Getty Images
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David Livermore, the director of the Antibiotic Resistance Monitoring and Reference Laboratory in London, studies a new class of superbugs, called carbapenem-resistant Enterobacteriaceae, or CRE.
Suzanne Plunkett/Reuters /Landov
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Young broilers nibble feed at a chicken farm in Luling, Texas. The Food and Drug Administration has issued new guidance on how drug companies label antibiotics for livestock.
Bob Nichols/USDA/Flickr
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